package com.softWang.job.util;

import com.softWang.common.exception.LogicException;
import com.softWang.job.constants.ScheduleConstants;
import com.softWang.job.po.JobManage;
import org.quartz.*;

/**
 * 定时任务工具类
 * 
 * @author ruoyi
 *
 */
public class ScheduleUtils
{


    /**
     * 构建任务触发对象
     */
    public static TriggerKey getTriggerKey(String jobId)
    {
        return TriggerKey.triggerKey(ScheduleConstants.TASK_CLASS_NAME + jobId);
    }

    /**
     * 构建任务键对象
     */
    public static JobKey getJobKey(String jobId)
    {
        return JobKey.jobKey(ScheduleConstants.TASK_CLASS_NAME + jobId);
    }

    /**
     * 创建定时任务
     */
    public static void createScheduleJob(Scheduler scheduler, JobManage job) throws SchedulerException,  ClassNotFoundException {
        Class jobClass = Class.forName(job.getJobClassName());
        // 构建job信息
        Long jobId = job.getJobId();
        String jobGroup = job.getJobGroup();
        JobDetail jobDetail = JobBuilder.newJob(jobClass).withIdentity(getJobKey(jobId+"")).build();

        // 表达式调度构建器
        CronScheduleBuilder cronScheduleBuilder = CronScheduleBuilder.cronSchedule(job.getCronExpression());
        cronScheduleBuilder = handleCronScheduleMisfirePolicy(job, cronScheduleBuilder);

        // 按新的cronExpression表达式构建一个新的trigger
        CronTrigger trigger = TriggerBuilder.newTrigger().withIdentity(getTriggerKey(jobId+""))
                .withSchedule(cronScheduleBuilder).build();

        // 放入参数，运行时的方法可以获取
        jobDetail.getJobDataMap().put(ScheduleConstants.TASK_PROPERTIES, job);

        scheduler.scheduleJob(jobDetail, trigger);

        // 暂停任务
        if (job.getStatus().equals(ScheduleConstants.Status.PAUSE.getValue()))
        {
            scheduler.pauseJob(ScheduleUtils.getJobKey(jobId+""));
        }
    }

    /**
     * 设置定时任务策略
     */
    public static CronScheduleBuilder handleCronScheduleMisfirePolicy(JobManage job, CronScheduleBuilder cb)
            throws LogicException
    {
        if(job.getMisfirePolicy() == null){
            return cb;
        }
        switch (job.getMisfirePolicy())
        {
            case ScheduleConstants.MISFIRE_DEFAULT:
                return cb;
            case ScheduleConstants.MISFIRE_IGNORE_MISFIRES:
                return cb.withMisfireHandlingInstructionIgnoreMisfires();
            case ScheduleConstants.MISFIRE_FIRE_AND_PROCEED:
                return cb.withMisfireHandlingInstructionFireAndProceed();
            case ScheduleConstants.MISFIRE_DO_NOTHING:
                return cb.withMisfireHandlingInstructionDoNothing();
            default:
                return cb;
        }
    }
}
